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| author |   James Morris <jmorris@namei.org> | 2010-05-06 10:56:07 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-05-06 10:56:07 +1000 |
| commit | 0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch) | |
| tree | 81b1a2305d16c873371b65c5a863c0268036cefe /fs/logfs/gc.c | |
| parent | TOMOYO: Use GFP_NOFS rather than GFP_KERNEL. (diff) | |
| parent | Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 (diff) | |
| download | linux-dev-0ffbe2699cda6afbe08501098dff8a8c2fe6ae09.tar.xz linux-dev-0ffbe2699cda6afbe08501098dff8a8c2fe6ae09.zip | |
Merge branch 'master' into next
Diffstat (limited to 'fs/logfs/gc.c')
| -rw-r--r-- | fs/logfs/gc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c index 92949f95a901..76c242fbe1b0 100644 --- a/fs/logfs/gc.c +++ b/fs/logfs/gc.c @@ -7,6 +7,7 @@ */ #include "logfs.h" #include <linux/sched.h> +#include <linux/slab.h> /* * Wear leveling needs to kick in when the difference between low erase @@ -458,6 +459,14 @@ static void __logfs_gc_pass(struct super_block *sb, int target) struct logfs_block *block; int round, progress, last_progress = 0; + /* + * Doing too many changes to the segfile at once would result + * in a large number of aliases. Write the journal before + * things get out of hand. + */ + if (super->s_shadow_tree.no_shadowed_segments >= MAX_OBJ_ALIASES) + logfs_write_anchor(sb); + if (no_free_segments(sb) >= target && super->s_no_object_aliases < MAX_OBJ_ALIASES) return; |